Paper Folding  
   Details of a book which teaches math through origami.
   http://www.lwcd.com/paper-folding/

Jim Plank's Origami: Modular  
   Diagrams and gallery of many geometric models.
   http://www.cs.utk.edu/~plank/plank/pics/origami/origami.html

Modular Origami  
   Instructions, diagrams and pictures of various modular models in English, German, and Russian.
   http://www.geocities.com/golics/index_en_sum.htm

Paper Models of Polyhedra  
   Gallery, diagrams, and VRML of the models.
   http://www.geocities.com/SoHo/Exhibit/5901/

Tom's Origami Gallery  
   Personal gallery of modular and tessellation models.
   http://web.merrimack.edu/~thull/gallery/modgallery.html

Geometry Junkyard: Origami  
   Resource listing of links for information about the relationship between origami and geometry.
   http://www.ics.uci.edu/~eppstein/junkyard/origami.html

Origami Mathematics  
   Mathematics of paper folding; includes a bibliography of articles and journals, Combinatorial geometry syllabus, and a tutorial on geometric constructions. Photo gallery of completed modular, geometric, and tessellation models.
   http://web.merrimack.edu/~thull/OrigamiMath.html

Meenakshi's Modular Mania  
   Image Galleries of original modular models as well as picture links to other designs.
   http://www.geocities.com/mmukhopadhyay/origami.html

Krystyna Burczyk's Origami  
   Photographs of her origami models of regular polyhedra.
   http://www1.zetosa.com.pl/~burczyk/origami/galery1-en.htm

Triangular Faced Origami Polyhedra  
   Designed by Helena Verrill with Kazuyo Inoue. Instructions and graphics.
   http://hverrill.net/pages~helena/origami/tetraunit/

The Calculus Of Origami  
   This site is about Math and Origami, it defines a notation for folds, based on points and edges, and some links for papers on math and origami
   http://community.core-sdi.com/~gera/origami

Teaching Mathematical Thinking Through Origami  
   Suggestions for using origami to teach concepts in mathematics, with diagrams of models.
   http://rachel.ns.purchase.edu/~Jeanine/origami/

Mathematical Origami  
   It highlights origami models and techniques with a mathematical flavour.
   http://www.mat.unb.br/~lucero/orig_e.html